https webhook receiver shows SSL wrong version issue

[Nockternal]

HI guys i seem to be having a problem with the webhook receiver only on https. Http is working fine
output from the python receiver shows :

`102.132.225.115 - - [13/Jul/2021 05:44:49] "ü 5()û^È" HTTPStatus.BAD_REQUEST -
209.206.57.137 - - [13/Jul/2021 05:46:28] code 400, message Bad request syntax ('\x16\x03\x03\x01\x02\x01\x00\x00þ\x03\x03jö\x078¢ÒtmÝ\x00!\x8a)')
209.206.57.137 - - [13/Jul/2021 05:46:28] "þjö8¢ÒtmÝ!�)" HTTPStatus.BAD_REQUEST -
102.132.225.115 - - [13/Jul/2021 05:50:09] code 400, message Bad request version ("õáÂ'\x12oæ\x15K¹\x18\x08áR´Qú\x06Û¢\\x00e¸,©Á\x94·È\x00b\x13\x02\x13\x03\x13\x01À,À0À+À/̨̩\x00£\x00\x9f\x00¢\x00\x9e̪À¯À\xadÀ$À(À")
�â�)�Îy�BW Z õáÂ'oæKáR´QúÛ¢\e¸,©Á�·ÈbÀ,À0À+À/̨̩£�¢�̪À¯À­À$À(À" HTTPStatus.BAD_REQUEST -

`

---

when i generate a python based https request to the same location. i get the following:

`[Running] python -u "e:\Network Automation Development\Cisco\Meraki\webhook\sender.py"
Traceback (most recent call last):
File "C:\Users\burge\AppData\Roaming\Python\Python39\site-packages\urllib3\connectionpool.py", line 597, in urlopen
httplib_response = self._make_request(conn, method, url,
File "C:\Users\burge\AppData\Roaming\Python\Python39\site-packages\urllib3\connectionpool.py", line 343, in _make_request
self._validate_conn(conn)
File "C:\Users\burge\AppData\Roaming\Python\Python39\site-packages\urllib3\connectionpool.py", line 849, in validate_conn
conn.connect()
File "C:\Users\burge\AppData\Roaming\Python\Python39\site-packages\urllib3\connection.py", line 349, in connect
self.sock = ssl_wrap_socket(
File "C:\Users\burge\AppData\Roaming\Python\Python39\site-packages\urllib3\util\ssl.py", line 372, in ssl_wrap_socket
return context.wrap_socket(sock)
File "C:\Python39\lib\ssl.py", line 500, in wrap_socket
return self.sslsocket_class._create(
File "C:\Python39\lib\ssl.py", line 1040, in _create
self.do_handshake()
File "C:\Python39\lib\ssl.py", line 1309, in do_handshake
self._sslobj.do_handshake()
ssl.SSLError: [SSL: WRONG_VERSION_NUMBER] wrong version number (_ssl.c:1129)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "C:\Users\burge\AppData\Roaming\Python\Python39\site-packages\requests\adapters.py", line 439, in send
resp = conn.urlopen(
File "C:\Users\burge\AppData\Roaming\Python\Python39\site-packages\urllib3\connectionpool.py", line 637, in urlopen
retries = retries.increment(method, url, error=e, _pool=self,
File "C:\Users\burge\AppData\Roaming\Python\Python39\site-packages\urllib3\util\retry.py", line 398, in increment
raise MaxRetryError(_pool, url, error or ResponseError(cause))
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='41.87.229.9', port=44390): Max retries exceeded with url: / (Caused by SSLError(SSLError(1, '[SSL: WRONG_VERSION_NUMBER] wrong version number (_ssl.c:1129)')))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "e:\Network Automation Development\Cisco\Meraki\webhook\sender.py", line 24, in
session.post(webhook_url,verify=False, data=json.dumps(data), headers={'Content-Type': 'application/json'})
File "C:\Users\burge\AppData\Roaming\Python\Python39\site-packages\requests\sessions.py", line 590, in post
return self.request('POST', url, data=data, json=json, **kwargs)
File "C:\Users\burge\AppData\Roaming\Python\Python39\site-packages\requests\sessions.py", line 542, in request
resp = self.send(prep, **send_kwargs)
File "C:\Users\burge\AppData\Roaming\Python\Python39\site-packages\requests\sessions.py", line 655, in send
r = adapter.send(request, **kwargs)
File "C:\Users\burge\AppData\Roaming\Python\Python39\site-packages\requests\adapters.py", line 514, in send
raise SSLError(e, request=request)
requests.exceptions.SSLError: HTTPSConnectionPool(host='41.87.229.9', port=44390): Max retries exceeded with url: / (Caused by SSLError(SSLError(1, '[SSL: WRONG_VERSION_NUMBER] wrong version number (_ssl.c:1129)')))

[Done] exited with code=1 in 0.257 seconds`

I have looked at the SSL version and its quite new.
centos8# python3 whichssl.py OpenSSL 1.1.1g FIPS 21 Apr 2020 centos8#